Which linear relationship can be described as a function with direct variation? image for option 1 image for option 2 image for option 3 image for option 4

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3